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Thermal Properties of Promethium and Neptunium


Thermal Properties of Neptunium and Promethium


Thermal Properties

Specific Heat
0.18 J/(kg K)   
33
0.12 J/(kg K)   
40

Molar Heat Capacity
Not Available   
29.46 J/mol·K   
8

Thermal Conductivity
17.90 W/m·K   
99+
6.30 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
9.00 µm/(m·K)   
99+
Not Available   

Enthalpy
  
  

Enthalpy of Fusion
7.50 kJ/mol   
99+
3.20 kJ/mol   
99+

Enthalpy of Atomization
310.00 kJ/mol   
34
Not Available   

Standard Molar Entropy
Not Available   
Not Available   

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